//
//  String16.h
//  MobileRTCSwiftSample
//
//  Created by zhangheng on 2020/2/21.
//  Copyright © 2020 Zoom Video Communications, Inc. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface String16 : NSObject
//字符转16进制字符
+ (NSString *)convertStringToHexStr:(NSString *)str;
//16字符转字符
+ (NSString *)convertHexStrToString:(NSString *)str;
//字符中小写字母转大写
+(NSString *)toUpper:(NSString *)str;
//字符中大写字母转小写
+(NSString *)toLower:(NSString *)str;
@end

NS_ASSUME_NONNULL_END
